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author | Taco Hoekwater <taco@elvenkind.com> | 2011-06-01 08:54:21 +0000 |
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committer | Taco Hoekwater <taco@elvenkind.com> | 2011-06-01 08:54:21 +0000 |
commit | d7ccb42582f85acf30568913610ccf4d602023fb (patch) | |
tree | 7292e3545a420676878e7451b68892d360c62cb6 /Master/texmf-dist/tex/context/base/m-zint.mkiv | |
parent | 2d62a6fe9b80def59c392268022f1f9a2d6e358f (diff) |
commit context 2011.05.18
git-svn-id: svn://tug.org/texlive/trunk@22719 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/m-zint.mkiv')
-rw-r--r-- | Master/texmf-dist/tex/context/base/m-zint.mkiv | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/m-zint.mkiv b/Master/texmf-dist/tex/context/base/m-zint.mkiv new file mode 100644 index 00000000000..3e6f7ab4366 --- /dev/null +++ b/Master/texmf-dist/tex/context/base/m-zint.mkiv @@ -0,0 +1,87 @@ +%D \module +%D [ file=m-zint, +%D version=2010.12.07, +%D title=\CONTEXT\ Extra Modules, +%D subtitle=Zint Barcode Generator, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright=PRAGMA] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +%D Using \type {zint} seems to be the easiest way to generate +%D (PDF417) barcodes so therefore we now have this module. There +%D are proper (also windows) binaries at: +%D +%D \starttyping +%D http://www.zint.org.uk +%D \stoptyping +%D +%D There is a bit more code than needed as we want to be able to +%D feed names. + +\startluacode + +moduledata.zint = { } + +local format, lower, gsub = string.format, string.lower, string.gsub +local patterns = lpeg.patterns + +local zint = "zint" -- '"c:/program files/zint/zint.exe"' + +local whitespace = patterns.whitespace +local spaces = whitespace^0 +local key = (spaces / "") * patterns.digit^0 * (patterns.colon * spaces / "") +local value = (whitespace / "" + (1 - key))^1 +local pattern = lpeg.Cf(lpeg.Ct("") * (lpeg.Cg((lpeg.Cs(key) / tonumber) * (lpeg.Cs(value) / lower)) + patterns.anything)^0,rawset) + +local reverse + +local function cleancode(code) + return lower(gsub(code," ","")) +end + +local function numberofcode(code) + if not reverse then + local types = os.resultof(format("%s --types",zint)) or "" + local formats = lpeg.match(pattern,types) + reverse = table.swapped(formats) or { } + end + code = cleancode(code) + return reverse[code] or code +end + +function moduledata.zint.generate(code,data,suffix,options) + if not data or data == "" then + data = "unset" + end + local code = cleancode(code) + local base = format("zint-%s-%s",code,md5.hex(data)) + local name = file.addsuffix(base,suffix or "eps") + if not lfs.isfile(name) then + local temp = file.addsuffix(base,"tmp") + local code = numberofcode(code) + logs.simple("using 'zint' to generate '%s'",base) + io.savedata(temp,data) + os.execute(format('%s --barcode=%s --output="%s" --input="%s"',zint,code,name,temp,options or "")) + end + return name +end + +\stopluacode + +\doifnotmode{demo}{\endinput} + +\starttext + + \externalfigure[\cldcontext{moduledata.zint.generate("PDF417",[[Hans Hagen]])}] + \blank + \externalfigure[\cldcontext{moduledata.zint.generate("PDF417","Ton Otten")}] + \blank + \externalfigure[\cldcontext{moduledata.zint.generate("ISBN","9789490688011")}] + +\stoptext + + |